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alyssatamayo641
28.06.2019 •
Mathematics
Solve the following system of equations . plot the solution to the system on the provided graph
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Ответ:
(6, -3)
Step-by-step explanation:
I will solve this system using elimination.
I will multiply
by 2 so that -x becomes -2x.
2(-x + 2y = -12)
Distribute.
-2x + 4y = -24
Now subtract this from the other equation.
2x + 3y = 3
-2x + 4y = -24
7y = -21
Divide both sides by 7.
y = -3
Now that we have the value of y, plug it into the original equation.
-x + 2(-3) = -12
Simplify.
-x - 6 = -12
Add 6 to both sides.
-x = -6
Divide both sides by -1.
x = 6
(6, -3)
Ответ: